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Culture War Roundup for the week of July 24, 2023

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I'm just commenting on the apparent inbuilt contradiction of humans needing to undergo painful, mildly damaging experiences to become more healthy. Your health does not rely on avoiding all harms and living a life of absolute comfort. It relies on actively struggling to a particular degree.

This probably applies on the psychological level too. Undergo TOO MUCH mental stress, and you get trauma, which is bad. Undergo and overcome the mental stress, and you get stronger.

I'm asserting that we're removing the mild challenges that would serve to mentally strengthen people as they grow up, and so when the finally encounter actual challenges they are mentally unprepared, and tend to fold or shy away.

As for cell repairing triggers - are old fixed-up cells really better than new cells?

They ARE better, if the new cells are imperfect copies of the old cells. In the worst case the new cells have mutations that make them cancerous, eventually killing the organism when the 'new' cells replicate too rapidly.

So in order to have healthy new cells, you need to make accurate copies of old cells (or, at least, the DNA used to construct them).

Sirtuins are what do the error-checking and DNA repair to make sure that the DNA being replicated is well-maintained and accurate, so that fewer errors accumulate over time.

IN THEORY, if you could ensure that every single copy of a cell contains a 100% pristine copies of the previous cells' DNA, your organs could keep functioning indefinitely, showing few if any signs of aging.

https://www.orentreich.org/new-study-supports-the-information-theory-of-aging-and-its-potential-to-combat-aging/

The irony is that the mechanism for DNA repair is activated by conditions that mimic adversity and scarcity.